diff --git a/xmls/lv_arc.xml b/xmls/lv_arc.xml
index 6c65fda3ed..3add1cd90e 100644
--- a/xmls/lv_arc.xml
+++ b/xmls/lv_arc.xml
@@ -13,8 +13,8 @@ Example
 
 	    <prop name="start_angle" help="Start angles of the indicator"/>
 	    <prop name="end_angle" help="End angles of the indicator"/>
-	    <prop name="bg_angle_start" help="Start angles of the background"/>
-	    <prop name="bg_angle_end" help="End angles of the background"/>
+	    <prop name="bg_start_angle" help="Start angles of the background"/>
+	    <prop name="bg_end_angle" help="End angles of the background"/>
 	    <prop name="min_value" type="int"/>
 	    <prop name="max_value" type="int"/>
 	    <prop name="value" type="int" help="The current value"/>